Unable to find fxml file in Javafx

I'm currently trying to follow a Javafx Tutorial on the web and I have some issues.
I have a project with 3 different packages.
Fist one is : ch.makery.address, it contains the Main
Second is : ch.makery.model it's empty for the moment
Third is : ch.makery.view it contains 2 different fxml files wich correspond to two different layouts.
Here is the Main code :